长征运载火箭我国自主设计制造的长征二号f运载火箭，成功执行了载人飞船的发射任务。
Long March 2f Rocket China-designed and-made Long March 2f Rocket has successfully out its mission of launching the manned spacecraft.
利用反求方法的设计是缩短模具开发周期、提高产品质量及建立自主设计制造体系的重要手段。
Designing the die by reverse solution is an important means to speed up the development cycle of die, to increase the product quality and moreover, to establish our own design and manufacture system.
中国自主设计和制造的“中华之星”，由于试运行结果令人失望，已在一个铁路车库里停放了数年。
The domestically designed and manufactured China Star has been sitting for years in a railway depot after disappointing test runs.
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